请教斑竹

Anomymous

我的是4510的板子，用我编译的内核（加了iptables）启动以后，ping板子的ip就会出现下面的错误，是怎么回事啊

Unhandled fault: alignment exception (13) at 0x00000001
fault-common.c(97): start_code=0x0, start_stack=0xe3a00017)
Internal error: Oops: 0
CPU: 0
pc : [<000cda04>]    lr : [<00000006>]    Not tainted
sp : 002bbd58  ip : 00000000  fp : 002bbdbc
r10: 003df992  r9 : 00000006  r8 : 00000000
r7 : 00000006  r6 : 003c4854  r5 : 003c4820  r4 : 003c4864
r3 : 00000000  r2 : 003df98e  r1 : 00000000  r0 : 00000006
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  Segment kernel
Control: 0
Process swapper (pid: 0, stackpage=002bb000)
Stack:
002bbd40:                   00000006 000cda04  60000013 ffffffff 002bbd74 002bbd
68
002bbd60: 003d1140 003df998 003df98e 003c4820  000ee3b1 003e1808 003c4820 003df9
80
002bbd80: 00000000 00000000 003e1808 00000000  002bbe1c 002bbe18 002e1d80 003e18
08
002bbda0: 00000000 002bbe1c 000aefc4 80000000  002bbdd4 002bbdc0 000cf984 000cd7
78
002bbdc0: 002c2ff4 00000000 002bbe04 002bbdd8  00080cf4 000cf964 000aefc4 003d11
40
002bbde0: 00000000 00000000 003e1808 000aefc4  00000000 00000000 002bbe48 002bbe
08
002bbe00: 000812b8 00080c98 00000000 002bbe18  000aefc4 80000000 002c302c 003d11
40
002bbe20: 003d1140 00000000 003e1808 00000001  002bbec4 00001490 002bc1a0 002bbe
70
002bbe40: 002bbe4c 000af720 000811b8 00000000  000aefc4 80000000 003d1140 000000
00
002bbe60: 00000608 002bbe90 002bbe74 00078c58  000af5c4 003e1808 002bc1cc 002bc1
ac
002bbe80: 00000001 002bbec0 002bbe94 00078d64  00078a04 00000040 002bc290 002bc1
cc
002bbea0: 002bc1a0 002bc1bc 00001490 60000093  002cbc14 002bbeec 002bbec4 00078e
e4
002bbec0: 00078ccc 0000012c 002bc090 00000001  fffffffb 002cb860 00000000 002bc0
80
002bbee0: 002bbf18 002bbef0 00022f50 00078e5c  00000000 00000011 20000000 002c45
ac
002bbf00: 002c438c 002cb860 002bbf58 002bbf28  002bbf1c 00023008 00022ea8 002bbf
54
002bbf20: 002bbf2c 000182c8 00023004 002bbf8c  03ff4034 00018774 00018e00 600000
13
002bbf40: ffffffff 002c4638 002bbfac 002bbf58  000176bc 00018194 0033a000 002c46
34
002bbf60: 00000000 00000000 00018dd8 002ba000  002ba000 002ba000 00018dd8 002c46
60
002bbf80: 002c4638 002bbfac 002bbfb0 002bbfa0  00018774 00018e00 60000013 ffffff
ff
002bbfa0: 002bbfd4 002bbfb0 00018774 00018de8  002cd0e0 002e4cf0 002c4664 000000
00
002bbfc0: 002e4cf0 00000000 002bbfe4 002bbfd8  00015034 00018728 002bbffc 002bbf
e8
002bbfe0: 0000865c 00015010 002bcd98 00000000  00000000 002bc000 003eb19c 000085
64
Backtrace:
Function entered at [<000cd768>] from [<000cf984>]
Function entered at [<000cf954>] from [<00080cf4>]
Function entered at [<00080c88>] from [<000812b8>]
Function entered at [<000811a8>] from [<000af720>]
Function entered at [<000af5b4>] from [<00078c58>]
r6 = 00000608  r5 = 00000000  r4 = 003D1140
Function entered at [<000789f4>] from [<00078d64>]
r7 = 00000001  r6 = 002BC1AC  r5 = 002BC1CC  r4 = 003E1808
Function entered at [<00078cbc>] from [<00078ee4>]
Function entered at [<00078e4c>] from [<00022f50>]
Function entered at [<00022e98>] from [<00023008>]
Function entered at [<00022ff4>] from [<000182c8>]
Function entered at [<00018184>] from [<000176bc>]
Function entered at [<00018dd8>] from [<00018774>]
Function entered at [<00018718>] from [<00015034>]
Function entered at [<00015000>] from [<0000865c>]
Function entered at [<00008554>] from [<003eb19c>]
Code: 1a000047 e51b2054 (e5923000) e5952008 e5951000
Kernel panic: Aiee, killing interrupt handler

In interrupt handler - not syncing

limingth

这种问题最可怕了，看到内核打印信息我也发怵，先恢复到以前可以 ping 的状态，然后一点一点做修改，看看是哪个步骤出的问题。